Want a lunch box option that won’t add unnecessary junk to your child’s diet? Check out the Sugarless Back to School Sweepstakes from AquaBall and you could win awesome drink prize packs.

Not familiar with AquaBall? It’s the only zero-calorie, sugar-free and preservative-free children’s beverage currently on the market. The naturally flavored water is available in four flavors—Berry Frost, Fruit Punch, Grape and Strawberry Lemonade—and features fan favorite characters from Disney’s “Frozen”, Disney Princesses, Marvel’s “Avengers,” and Disney Classic Characters.

The Sweepstakes will run until September 18th. Entering is super easy. Simply visit AquaBall’s website and complete the entry form including a photo of your child with their favorite AquaBall, using hashtags #Sugarlessbacktoschool and @aquaballdrink.